Binding element



FIG. 1 is a front perspective view of a binding element showing our new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation thereof;

FIG. 6 is a side elevation thereof, the side opposite being a mirror image; and,

FIG. 7 is an enlarged plan view of a fragment of the design taken from FIG. 2.

The broken lines shown in the drawings represent structure and form no part of the claimed design.

The portions of the binding element shown in broken lines are for illustrative purposes only and form no part of the claimed design. The side view opposite FIG. 6 is a mirror image of FIG. 6 and is not shown. 

We claim the ornamental design for a binding element, as shown and described. 